Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5099259 | Halftone image printing device | Shuzo Hirahara, Hitoshi Nagato, Kazuhiko Higuchi, Kiyoshi Yamada, Tsutomu Kanai | 1992-03-24 |
| 5005993 | Electrothermal printer with a resistive ink ribbon and differing resistance current return paths | Hitoshi Nagato, Tsutomu Kanai | 1991-04-09 |
| 4985716 | Apparatus for generating ions using low signal voltage | Yasuo Hosaka | 1991-01-15 |
| 4897668 | Apparatus for transferring ink from ink ribbon to a recording medium by applying heat to the medium, thereby recording data on the medium | Hitoshi Nagato, Tsutomu Kanai, Akito Iwamoto | 1990-01-30 |
| 4890121 | Halftone image printing device | Shuzo Hirahara, Hitoshi Nagato, Kazuhiko Higuchi, Kiyoshi Yamada, Tsutomu Kanai | 1989-12-26 |
| 4884080 | Color image printing apparatus | Shuzo Hirahara, Hitoshi Nagato, Kazuhiko Higuchi, Kiyoshi Yamada, Tsutomu Kanai +1 more | 1989-11-28 |
| 4819008 | Thermal head driver circuit | Hitoshi Nagato, Shuzo Hirahara | 1989-04-04 |
| 4725860 | Ink carrier film in use with ink jet recording device | Mitsuaki Kohyama, Yasuo Hosaka, Yuuji Suzuki | 1988-02-16 |
| 4724446 | Thermal transfer printing apparatus | Shuzo Hirahara, Hitoshi Nagato, Kazuhiko Higuchi, Kiyoshi Yamada, Tsutomu Kanai | 1988-02-09 |
| 4707707 | Thermal-transfer ink ribbon | — | 1987-11-17 |
| 4532524 | Thermal ink-transfer printing apparatus | Masasumi Yana | 1985-07-30 |